Particle trap

By introducing an automatic backflushing cleaning system into the particulate filter, the pressure plate is raised and lowered using an electric push rod, and air is sprayed into the filter cartridge to remove dust, thus solving the problem of filter element clogging and achieving automatic cleaning of the filter element and improving production efficiency.

CN224009350UActive Publication Date: 2026-03-20ANHUI SHENJIN MECHANICAL & ELECTRICAL EQUIPMENT TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423077712.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2026-03-20
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The filter cartridges of existing particulate filters are prone to clogging, requiring frequent disassembly and cleaning, which affects production efficiency.

Method used

A particle collector with automatic backflushing cleaning function was designed. The pressure plate is raised and lowered by an electric push rod, and air is sprayed into the filter cartridge through the air guide pipe to remove dust particles on the filter element. The collection hopper collects and discharges the particles periodically, realizing automatic cleaning of the filter element.

Benefits of technology

Automatic cleaning of filter elements can be achieved without stopping the machine, extending their service life and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224009350U_ABST
    Figure CN224009350U_ABST
Patent Text Reader

Abstract

The utility model provides a particle trap which comprises a box body, the interior of the box body is divided into an air inlet cavity and an air outlet cavity through a partition plate, an air inlet pipe is installed on the outer side of the air inlet cavity, and an air outlet pipe is installed on the outer side of the air outlet cavity. A plurality of groups of filter element assemblies are detachably mounted on the box body, filter cartridges for filtering black smoke particles are arranged in the filter element assemblies, the filter cartridges are made of a DPF material so as to filter the black smoke particles, a guide sliding barrel spring and the filter cartridges are elastically mounted, a pressing plate is arranged in the guide sliding barrel, the pressing plate can seal the lower end of the guide sliding barrel, and an air guide pipe blows air into the filter cartridges. The pressing plate seals the upper end of the guide sliding cylinder, air leakage can be prevented, the dust discharging effect is improved, and the smoke particles are collected through the collecting hopper at the lower end of the box body. And the electric push rod on the sealing plate independently controls the pressing plate of one group of filter element components, so that the filter element components respectively perform back flushing, and back flushing can be performed under the condition of no shutdown, so that the service life of the filter element components is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of particle trap, specifically is a particle trap. BACKGROUND

[0002] The factory production needs to use diesel engine, generator and other equipment, needs to use black smoke particle trap to collect and handle black smoke waste gas. The filter core in the existing particle trap is generally fixedly arranged, after the equipment is used for a long time, the filter core will adhere to a lot of smoke dust particles, causes the blockage, needs to frequently dismount the filter core to clean, after the filter core is dismounted, the downtime is long, influences the production efficiency, therefore needs a kind of particle trap with automatic cleaning filter core. SUMMARY

[0003] The utility model solves the technical problem in providing a particle trap that can be automatically backflushed and cleaned to solve the problems presented in the background.

[0004] The technical problem solved by the utility model is realized by the following technical scheme: a particle trap, comprising:

[0005] A box body, which is divided into an air inlet chamber and an air outlet chamber by a partition plate, an air inlet pipe is installed outside the air inlet chamber, and an air outlet pipe is installed outside the air outlet chamber;

[0006] A filter core assembly, which is detachably mounted on the box body and is distributed in several groups, the filter core assembly comprises a filter cartridge and a guide sliding cylinder inserted into the filter cartridge and connected slidingly, air holes are formed around the upper end of the guide sliding cylinder, a blowing assembly for backflushing the filter cartridge is installed on the sealing plate, and a collecting hopper for receiving particulate matter is arranged at the lower end of the inner cavity of the box body;

[0007] The blowing assembly comprises a pressing plate slidingly arranged in the guide sliding cylinder and a gas guide pipe arranged on the pressing plate, a stepped body that cooperates with the pressing plate to seal is arranged on the inner wall of the lower end of the guide sliding cylinder, a nozzle that communicates with the gas guide pipe is arranged at the lower end of the pressing plate to spray gas into the filter cartridge, and an electric push rod for controlling the lifting and adjustment of the pressing plate is arranged at the upper end of the sealing plate.

[0008] As a further scheme of the utility model:

[0009] The partition plate is provided with a filter hole corresponding to the filter cartridge, the filter cartridge is inserted into the filter hole, the upper end of the filter cartridge is provided with a ring-shaped edge plate, and the edge plate abuts against a sealing gasket on the upper end of the partition plate to seal the filter hole.

[0010] As a further scheme of the utility model:

[0011] The filter cartridge has an inner cavity with an upper ring installed at the top. The lower outer side of the guide tube has a protrusion to restrict the guide tube from moving out of the filter cartridge. The outer end of the guide tube is fitted with a spring. The upper end of the spring abuts against the sealing plate, and the lower end of the spring abuts against the side plate to compress the side plate and seal the filter holes. The side plate has a retaining ring, and the spring is fitted on the outer end of the retaining ring.

[0012] As a further embodiment of this utility model:

[0013] The upper end of the housing has a sealing opening with a diameter larger than that of the side plate. The sealing plate is fixedly installed on the upper end of the housing with bolts to seal the opening. Handles are installed on both sides of the sealing plate to facilitate personnel to disassemble and assemble the filter element assembly.

[0014] As a further embodiment of this utility model:

[0015] The sealing plate is provided with a sliding sleeve corresponding to the air guide tube. The air guide tube passes through the sliding sleeve and is slidably connected to the sliding sleeve. The electric push rod is installed on the sealing plate and located on one side of the sliding sleeve. The output rod of the electric push rod passes through the corresponding shaft hole of the sealing plate and is fixedly connected to the pressure plate to control the lifting and moving of the pressure plate.

[0016] As a further embodiment of this utility model:

[0017] The outer end of the air guide pipe is provided with a pipe joint and is connected to a hose to connect to the air supply equipment through the hose.

[0018] As a further embodiment of this utility model:

[0019] The hopper is surrounded by inclined guide plates, and a discharge pipe is connected to the lower end of the hopper. A solenoid valve is installed on the discharge pipe, and a filter bag is connected to the discharge pipe so that personnel can open it periodically to discharge dust particles.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: Several sets of filter element assemblies are detachably installed on the housing. Each filter element assembly contains a filter cartridge made of DPF material to filter black smoke particles. A guide slide spring is elastically installed with the filter cartridge. A pressure plate is installed inside the guide slide cylinder, which seals the lower end of the guide slide cylinder. Air is blown into the filter cartridge through an air duct to backflush it, thereby removing dust particles. The pressure plate seals the upper end of the guide slide cylinder to prevent air leakage and improve dust removal efficiency. Dust particles are collected through a hopper at the lower end of the housing. An electric push rod on the sealing plate individually controls the pressure plate of one set of filter element assemblies, allowing each filter element assembly to backflush independently. Backflushing can also be performed without stopping the machine, extending the service life of the filter element assemblies and improving production efficiency. Attached Figure Description

[0021] Fig. 1 This is a three-dimensional structural diagram of the present invention;

[0022] Fig. 2 This is a partial cross-sectional view of the present invention.

[0023] Fig. 3 This is a schematic diagram of the filter element assembly structure of this utility model;

[0024] The diagram shows the following components: 1. Housing; 2. Filter cartridge; 3. Guide slide cylinder; 4. Pressure plate; 5. Spring; 6. Sealing plate; 11. Inlet chamber; 12. Exhaust chamber; 13. Inlet pipe; 14. Exhaust pipe; 15. Partition plate; 16. Collection hopper; 17. Waste discharge pipe; 18. Solenoid valve; 21. Side plate; 22. Sealing gasket; 23. Ring body; 24. Retaining ring; 31. Slot; 32. Stepped body; 33. Protrusion; 41. Air guide pipe; 42. Nozzle; 43. Electric push rod; 44. Pipe connector; 61. Handle; 62. Slide sleeve. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0026] like Figs. 1-3 As shown,

[0027] This embodiment provides a particle trap, including:

[0028] The housing 1 is divided into an air intake chamber 11 and an exhaust chamber 12 by a partition 15. An air intake pipe 13 is installed on the outside of the air intake chamber 11, and an exhaust pipe 14 is installed on the outside of the exhaust chamber 12.

[0029] The filter element assembly is detachably installed on the housing 1 and is provided in several groups. The filter element assembly includes a filter cylinder 2 and a guide cylinder 3 that is inserted into the filter cylinder 2 and slidably connected. The guide cylinder 3 has ventilation slots 31 distributed around its upper end. The sealing plate 6 is equipped with an air blowing component for backflushing the filter cylinder 2. The lower end of the inner cavity of the housing 1 is provided with a collection hopper 16 for receiving particulate matter.

[0030] The air blowing assembly includes a pressure plate 4 slidably disposed inside the guide tube 3 and an air guide pipe 41 disposed on the pressure plate 4. The lower inner wall of the guide tube 3 is provided with a stepped body 32 that cooperates with and seals the pressure plate 4. The lower end of the pressure plate 4 is provided with a nozzle 42 that communicates with the air guide pipe 41 to spray air into the filter cartridge 2. The upper end of the sealing plate 6 is provided with an electric push rod 43 that controls the lifting and lowering adjustment of the pressure plate 4.

[0031] In this embodiment, the partition 15 has filter holes corresponding to the filter cylinder 2. The filter cylinder 2 is inserted into the filter holes. The upper end of the filter cylinder 2 is provided with an annular side plate 21. The side plate 21 abuts against the sealing gasket 22 at the upper end of the partition 15 to seal the filter holes.

[0032] In this embodiment, a ring 23 is installed at the upper end of the inner cavity of the filter cylinder 2, and a protrusion 33 is provided on the outer side of the lower end of the guide cylinder 3 to restrict the guide cylinder 3 from moving out of the filter cylinder 2. A spring 5 is sleeved on the outer end of the guide cylinder 3. The upper end of the spring 5 abuts against the sealing plate 6, and the lower end of the spring 5 abuts against the side plate 21 to squeeze the side plate 21 to seal the filter holes. A retaining ring 24 is provided on the side plate 21, and the spring 5 is sleeved on the outer end of the retaining ring 24.

[0033] The upper end of the housing 1 is provided with a sealing opening, the diameter of which is larger than the diameter of the side plate 21. The sealing plate 6 is fixedly installed on the upper end of the housing 1 by bolts to seal the sealing opening. Handles 61 are installed on both sides of the sealing plate 6 to facilitate personnel to disassemble and assemble the filter element assembly.

[0034] In this embodiment, a sliding sleeve 62 is provided on the sealing plate 6 corresponding to the air guide tube 41. The air guide tube 41 passes through the sliding sleeve 62 and is slidably connected to the sliding sleeve 62. The electric push rod 43 is installed on the sealing plate 6 and located on one side of the sliding sleeve 62. The output rod of the electric push rod 43 passes through the corresponding shaft hole of the sealing plate 6 and is fixedly connected to the pressure plate 4 to control the lifting and lowering movement of the pressure plate 4.

[0035] The outer end of the air guide pipe 41 is provided with a pipe connector 44 and is connected to a hose so as to connect to the air supply equipment through the hose.

[0036] In this embodiment, the hopper 16 is provided with inclined guide plates around its perimeter, and the lower end of the hopper 16 is connected to a discharge pipe 17. A solenoid valve 18 is installed on the discharge pipe 17, and a filter bag is connected to the discharge pipe so that personnel can open it periodically to discharge dust particles.

[0037] The working principle of this utility model is as follows: black smoke gas is introduced into the intake chamber 11 through the intake pipe 13, the filter cartridge 2 filters the black smoke to block smoke particles, and the purified air is introduced into the exhaust chamber 12 through the guide tube 3 and discharged through the exhaust pipe 14.

[0038] The filter cartridge assembly includes a filter cartridge 2 and a guide tube 3. A sealing plate 6 is fixedly installed at the outer end of the guide tube 3 so that it can be installed on the housing 1. A spring 5 is installed at the outer end of the guide tube 3. The spring 5 presses the side plate 21 on the filter cartridge 2 to descend, so that the side plate 21 seals the filter holes through the sealing gasket 22. A pressure plate 4 is slidably installed inside the guide tube 3. An electric push rod 43 on the sealing plate 6 controls the lifting and moving of the pressure plate 4 so that the pressure plate 4 fits against the step body 32 on the guide tube 3, sealing the upper end of the filter cartridge 2. Air is then blown into the filter cartridge 2 through the air pipe 41 to blow away the dust particles adsorbed on the filter cartridge 2 to avoid clogging of the filter cartridge 2. The collecting hopper 16 collects the fallen particles and discharges them periodically, realizing automatic cleaning of the filter cartridge 2 and extending its service life.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A particle trap, characterized in that: include: The housing is divided into an air intake chamber and an exhaust chamber by a partition. An air intake pipe is installed on the outside of the air intake chamber, and an exhaust pipe is installed on the outside of the exhaust chamber. A filter element assembly is detachably installed on a housing and is provided in several groups. The filter element assembly includes a filter cylinder and a guide cylinder that is slidably inserted into the filter cylinder. A sealing plate is fixedly provided at the outer end of the guide cylinder so that it can be installed on the housing. Ventilation slots are distributed around the upper end of the guide cylinder. An air blowing component for backflushing the filter cylinder is installed on the sealing plate. A collection hopper for receiving particulate matter is provided at the lower end of the inner cavity of the housing. The air blowing assembly includes a pressure plate slidably disposed inside a guide tube and an air guide pipe disposed on the pressure plate. The lower inner wall of the guide tube is provided with a stepped body that cooperates with and seals the pressure plate. The lower end of the pressure plate is provided with a nozzle that communicates with the air guide pipe to spray air into the filter cartridge. The upper end of the sealing plate is provided with an electric push rod for controlling the lifting and lowering adjustment of the pressure plate.

2. The particle trap according to claim 1, characterized in that: The partition plate has filter holes corresponding to the filter cylinder. The filter cylinder is inserted into the filter holes. The upper end of the filter cylinder has an annular side plate, which abuts against the sealing gasket at the upper end of the partition plate to seal the filter holes.

3. A particle trap according to claim 2, characterized in that: The filter cartridge has an inner cavity with an upper ring installed at the top. The lower outer side of the guide tube has a protrusion to restrict the guide tube from moving out of the filter cartridge. The outer end of the guide tube is fitted with a spring. The upper end of the spring abuts against the sealing plate, and the lower end of the spring abuts against the side plate to compress the side plate and seal the filter holes. The side plate has a retaining ring, and the spring is fitted on the outer end of the retaining ring.

4. A particle trap according to claim 3, characterized in that: The upper end of the box is provided with a sealing opening, the diameter of which is larger than the diameter of the side plate. The sealing plate is fixedly installed on the upper end of the box with bolts to seal the sealing opening. Handles are installed on both sides of the sealing plate.

5. A particle trap according to claim 4, characterized in that: The sealing plate is provided with a sliding sleeve corresponding to the air guide tube. The air guide tube passes through the sliding sleeve and is slidably connected to the sliding sleeve. The electric push rod is installed on the sealing plate and located on one side of the sliding sleeve. The output rod of the electric push rod passes through the corresponding shaft hole of the sealing plate and is fixedly connected to the pressure plate to control the lifting and moving of the pressure plate.

6. A particle trap according to claim 1, characterized in that: The outer end of the air guide pipe is provided with a pipe joint and is connected to a hose to connect to the air supply equipment through the hose.

7. A particle trap according to claim 1, characterized in that: The hopper is surrounded by inclined guide plates, and a discharge pipe is connected to the lower end of the hopper. A solenoid valve is installed on the discharge pipe, and a filter bag is connected to the discharge pipe.